5-1
A81N0EA
ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note: “CBA” is abbreviation for
“Circuit Board Assembly.”
Note:
Electrical adjustments are required after
replacing circuit components and certain
mechanical parts. It is important to perform
these adjustments only after all repairs and
replacements have been completed.
Also, do not attempt these adjustments unless
the proper equipment is available.
Test Equipment Required
1. DC Voltmeter
2. NTSC Pattern Generator (Color Bar W/White
Window, Red Color, Dot Pattern, Gray Scale,
Monoscope, Multi-Burst)
3. Remote control unit
4. Color Analyzer
How to make the Service remote
control unit:
Cut “A” portion of the attached remote control unit as
shown in Fig. 1.
How to set up the service mode:
Service mode:
1. Use the service remote control unit.
2. Turn the power on.
3. Press the service button on the service remote
control unit as shown in Fig. 1.
1. Purity Check Mode
This mode cycles through full-screen displays of red,
green, blue, and white to check for non-active pixels.
1. Enter the Service mode.
2. Each time pressing [7] button on the service
remote control unit, the display changes as
follows.
Fig. 1
service button
A
[7] button
Note:
When entering this mode, the default setting is White mode.
Purity Check Mode
[7] button
Red mode
Green mode
Blue mode
White mode
[7] button
[7] button
Содержание LC195EM82
Страница 14: ...4 2 A81N0DC Fig D1 4 Rear Cabinet S 1 S 4 1 Stand Base 2 Stand Hinge 3 Stand Cover S 2 S 3 S 3 S 4 S 4 S 4 S 4 ...
Страница 33: ...8 6 A81N0SCM4 Main 4 5 Schematic Diagram ...
Страница 35: ...8 8 A81N0SCF Function Junction Schematic Diagram ...
Страница 36: ...8 9 A81N0SCIR IR Sensor Junction Schematic Diagram ...
Страница 37: ...8 10 A81N0SCD1 DTV Module 1 2 Schematic Diagram ...
Страница 38: ...8 11 A81N0SCD2 DTV Module 2 2 Schematic Diagram ...
Страница 39: ...8 12 A81N0SCDM1 Digital Main 1 5 Schematic Diagram ...